2018 BUICK CASCADA cooling

Buick Cascada Owner Manual (GMNA-Localizing-U.S-11373983) - 2018 -
CRC - 7/10/17
254 Service and Maintenance Maintenance Schedule
Additional Required
Services - Normal
12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi
180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 miRotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.
@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @Replace passenger compartment air filter. (1)
@ @ @ @ @ @Inspect evaporative control system. (2)
@ @ @Replace engine air cleaner filter. (3)
@ @ @Replace spark plugs. Inspect spark plug wires.
@ @Drain and fill engine cooling system. (4)
@Visually inspect accessory drive belts. (5)
@Replace brake fluid. (6)

Buick Cascada Owner Manual (GMNA-Localizing-U.S-11373983) - 2018 -
CRC - 7/10/17
Service and Maintenance 255Footnotes — Maintenance
Schedule Additional Required
Services - Normal
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels,
or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter. (2) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
(4) Or every five years, whichever
comes first. See Cooling System
0 183 . (5) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) Replace brake fluid every three
years. See Brake Fluid 0 190 .

Buick Cascada Owner Manual (GMNA-Localizing-U.S-11373983) - 2018 -
CRC - 7/10/17
256 Service and Maintenance Maintenance Schedule
Additional Required
Services - Severe
12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi
180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 miRotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.
@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @Replace passenger compartment air filter. (1)
@ @ @ @ @ @Inspect evaporative control system. (2)
@ @ @Replace engine air cleaner filter. (3)
@ @ @Change automatic transmission fluid.
@ @ @Replace spark plugs. Inspect spark plug wires.
@ @Drain and fill engine cooling system. (4)
@Visually inspect accessory drive belts. (5)
@Replace brake fluid. (6)
Footnotes — Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
passenger compartment air filter
replacement may be needed if
driving in areas with heavy traffic,
poor air quality, high dust levels, or environmental allergens.
Passenger compartment air filter
replacement may also be needed if
there is reduced airflow, window
fogging, or odors. Your GM dealer
can help determine when to replace
the filter. (2) Visually check all fuel and vapor
lines and hoses for proper
attachment, connection, routing, and
condition.
(3) Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.

Buick Cascada Owner Manual (GMNA-Localizing-U.S-11373983) - 2018 -
CRC - 7/10/17
Service and Maintenance 257(4) Or every five years, whichever
comes first. See Cooling System
0 183 .
(5) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) Replace brake fluid every three
years. See Brake Fluid 0 190 .
Special Application
Services .
Severe Commercial Use
Vehicles Only: Lubricate chassis
components every oil change.
.
Have underbody flushing service
performed. See "Underbody
Maintenance" in Exterior Care
0 241 .
Additional
Maintenance and Care Your vehicle is an important
investment and caring for it properly
may help to avoid future costly
repairs. To maintain vehicle
performance, additional
maintenance services may be
required.
It is recommended that your dealer
perform these services — their
trained dealer technicians know
your vehicle best. Your dealer can
also perform a thorough
assessment with a multi-point
inspection to recommend when your
vehicle may need attention.
The following list is intended to
explain the services and conditions
to look for that may indicate
services are required.

Buick Cascada Owner Manual (GMNA-Localizing-U.S-11373983) - 2018 -
CRC - 7/10/17
260 Service and Maintenance
Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants Usage Fluid/Lubricant
Automatic Transmission DEXRON-VI Automatic Transmission Fluid.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Cooling System 0 183 .
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity
grade. ACDelco dexos1 is recommended. See Engine Oil 0 179 .
Hydraulic Brake System DOT 4 Hydraulic Brake Fluid (GM Part No. 19353126, in
Canada 19299571).
Key Lock Cylinders, Hood, Door, and
Trunk Lid Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Weatherstrip Conditioning Weatherstrip lubricant (GM Part No. 3634770, in Canada 10953518) or
equivalent.
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection
requirements.

Buick Cascada Owner Manual (GMNA-Localizing-U.S-11373983) - 2018 -
CRC - 7/10/17
264 Technical Data
Vehicle Data Capacities and Specifications Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and
charge amount, see the refrigerant label under the
hood. See your dealer for more information.
Engine Cooling System 6.3 L 6.7 qt
Engine Oil with Filter 5.5 L 5.8 qt
Fuel Tank 56 L 14.8 gal
Wheel Nut Torque 140 Y 100 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.
Engine Specifications
Engine VIN Code Transmission Spark Plug Gap
1.6L L4 Engine 5 Automatic 0.60 – 0.70 mm (0.0236 –
0.0276 in)

Buick Cascada Owner Manual (GMNA-Localizing-U.S-11373983) - 2018 -
CRC - 7/10/17
294 Index Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . . . 90
Compass . . . . . . . . . . . . . . . . . . . . . . . . 96
Connections
OnStar . . . . . . . . . . . . . . . . . . . . . . . 283
Control
Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 157
Control of a Vehicle . . . . . . . . . . . . . 136
Convertible Top . . . . . . . . . . . . . . . . . . 37
Roll Bars . . . . . . . . . . . . . . . . . . . . . . . 64
Convex Mirrors . . . . . . . . . . . . . . . . . . 33
Coolant
Engine Temperature Gauge . . 100
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 129
Cooling System . . . . . . . . . . . . . . . . . 183
Courtesy Lamps . . . . . . . . . . . . . . . . 125
Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . . . . 272
Cruise Control . . . . . . . . . . . . . . . . . . 159
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Customer Assistance . . . . . . . . . . . 269
Offices . . . . . . . . . . . . . . . . . . . . . . . . 268
Text Telephone (TTY)
Users . . . . . . . . . . . . . . . . . . . . . . . 269
Customer Information
Service Publications
Ordering Information . . . . . . . . 275 Customer Satisfaction
Procedure . . . . . . . . . . . . . . . . . . . . . 266
D Damage Repair, Collision . . . . . . . 273
Danger, Warning, and Caution . . . . 3
Data Collection
Infotainment System . . . . . . . . . . 279
OnStar . . . . . . . . . . . . . . . . . . . . . . . 279
Data Recorders, Event . . . . . . . . . 278
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . . . 121
Defensive Driving . . . . . . . . . . . . . . . 135
Delayed Locking . . . . . . . . . . . . . . . . . 28
Diagnostics
OnStar . . . . . . . . . . . . . . . . . . . . . . . 285
Distracted Driving . . . . . . . . . . . . . . . 135
Dome Lamps . . . . . . . . . . . . . . . . . . . 125
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . .110
Delayed Locking . . . . . . . . . . . . . . . . 28
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Power Locks . . . . . . . . . . . . . . . . . . . . 28
Drive Belt Routing, Engine . . . . . . 265
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . . 110
Driving
Defensive . . . . . . . . . . . . . . . . . . . . . 135 Driving (cont'd)
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 136
For Better Fuel Economy . . . . . . . 20
Hill and Mountain Roads . . . . . . 139
If the Vehicle is Stuck . . . . . . . . . 141
Loss of Control . . . . . . . . . . . . . . . 137
Off-Road Recovery . . . . . . . . . . . 137
Vehicle Load Limits . . . . . . . . . . . 141
Wet Roads . . . . . . . . . . . . . . . . . . . 138
Winter . . . . . . . . . . . . . . . . . . . . . . . . 139
Dual Automatic Climate
Control System . . . . . . . . . . . . . . . . 129
E Electric Parking Brake . . . . . . . . . . 155
Electric Parking Brake Light . . . . 105
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 172
Electrical System
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 202
Fuses and Circuit Breakers . . . 202
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 205
Overload . . . . . . . . . . . . . . . . . . . . . 201
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 207

Buick Cascada Owner Manual (GMNA-Localizing-U.S-11373983) - 2018 -
CRC - 7/10/17
Index 295Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . 281
Engine
Air Cleaner/Filter . . . . . . . . . . . . . 183
Check Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 102
Compartment Overview . . . . . . . 178
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 100
Cooling System . . . . . . . . . . . . . . . 183
Drive Belt Routing . . . . . . . . . . . . 265
Exhaust . . . . . . . . . . . . . . . . . . . . . . 150
Oil Life System . . . . . . . . . . . . . . . 181
Oil Pressure Light . . . . . . . . . . . . 107
Overheating . . . . . . . . . . . . . . . . . . 187
Power Messages . . . . . . . . . . . . . .113
Running While Parked . . . . . . . . 151
Starting . . . . . . . . . . . . . . . . . . . . . . . 147
Entry Lighting . . . . . . . . . . . . . . . . . . . 125
Event Data Recorders . . . . . . . . . . 278
Exit Lighting . . . . . . . . . . . . . . . . . . . . 125
Extender, Seat Belt . . . . . . . . . . . . . . 58
Exterior Lamp Controls . . . . . . . . . 120
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 126 F Filter,
Engine Air Cleaner . . . . . . . . . . . 183
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 121
Flashers, Hazard Warning . . . . . . 123
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 227
Changing . . . . . . . . . . . . . . . . . . . . . 229
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 249
Fluid
Automatic Transmission . . . . . . 182
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 190
Washer . . . . . . . . . . . . . . . . . . . . . . . 188
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 124
Bulb Replacement . . . . . . . . . . . . 196
Folding Mirrors . . . . . . . . . . . . . . . . . . 34
Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . . 164
Frequency Statement
Radio . . . . . . . . . . . . . . . . . . . . . . . . . 276
Front Fog Lamp
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Front Seats
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 50
Front Turn Signal Lamps . . . . . . . 197
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Additives . . . . . . . . . . . . . . . . . . . . . 169
Economy Driving . . . . . . . . . . . . . . . 20 Fuel (cont'd)
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 171
Filling the Tank . . . . . . . . . . . . . . . 169
Foreign Countries . . . . . . . . . . . . 169
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Low Fuel Warning Light . . . . . . . 108
Requirements, California . . . . . 168
Fuses
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 202
Fuses and Circuit Breakers . . . 202
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 205
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 207
G Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 193
Gauges
Engine Coolant
Temperature . . . . . . . . . . . . . . . . 100
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Odometer . . . . . . . . . . . . . . . . . . . . . . . 99
Speedometer . . . . . . . . . . . . . . . . . . . 99
Tachometer . . . . . . . . . . . . . . . . . . . . . 99
Trip Odometer . . . . . . . . . . . . . . . . . . 99